DP83950BVQB National Semiconductor, DP83950BVQB Datasheet - Page 75

• Manufacturer Part Number: DP83950BVQB
• Description: IC CTRLR RIC REPEATER 160-PQFP
• Manufacturer: National Semiconductor

Specifications of DP83950BVQB

• Controller Type: Ethernet Repeater Interface Controller
• Interface: IEEE 802.3
• Voltage - Supply: 4.75 V ~ 5.25 V
• Current - Supply: 380mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 160-MQFP, 160-PQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: *DP83950BVQB

9 0 AC and DC Specifications
MANAGEMENT BUS TIMING
Note The preamble on this bus consists of the following string 01011
Note In these diagrams the Inter-RIC and Management Busses are shown using active high signals active low signals may also be used See Section 5 5 Mode
Load Operation
Number
T50
T51
T52
T53
T54
T55
T56
T57
T58
T59
T60
mrxch
mrxcl
mrxcd
actndamena
actndamcrsa
mrxds
mrxdh
mrxclmcrsi
mcrsimenl
mrxcclks
pcompw
Symbol
MRXC High Time
MRXC Low Time
MRXC Cycle Time
ACTNd Active to MEN Active
ACTNd Active to MCRS Active
MRXD Setup
MRXD Hold
MRXC Low to MCRS Inactive
MCRS Inactive to MEN Low
Min Number of MRXCs after MCRS Inactive
PCOMP Pulse Width
(Continued)
Parameter
75
Min
b
45
45
90
40
45
20
5
5
Max
110
715
720
510
55
55
6
5
TL F 11096 – 30
Units
Clks
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns